CA1005907A - Apparatus for reading a record carrier on which information is recorded in at least one track - Google Patents

Apparatus for reading a record carrier on which information is recorded in at least one track

Info

Publication number
CA1005907A
CA1005907A CA180,004A CA180004A CA1005907A CA 1005907 A CA1005907 A CA 1005907A CA 180004 A CA180004 A CA 180004A CA 1005907 A CA1005907 A CA 1005907A
Authority
CA
Canada
Prior art keywords
track
recorded
reading
information
record carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA180,004A
Other versions
CA180004S (en
Inventor
Gijsbertus Bouwhuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL7211996A external-priority patent/NL7211996A/xx
Priority claimed from NL7212044A external-priority patent/NL7212044A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1005907A publication Critical patent/CA1005907A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CA180,004A 1972-09-02 1973-08-30 Apparatus for reading a record carrier on which information is recorded in at least one track Expired CA1005907A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7211996A NL7211996A (en) 1972-09-02 1972-09-02
NL7212044A NL7212044A (en) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
CA1005907A true CA1005907A (en) 1977-02-22

Family

ID=26644797

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,004A Expired CA1005907A (en) 1972-09-02 1973-08-30 Apparatus for reading a record carrier on which information is recorded in at least one track

Country Status (15)

Country Link
JP (1) JPS5330453B2 (en)
AR (1) AR198680A1 (en)
AT (1) AT328002B (en)
BE (1) BE804328A (en)
CA (1) CA1005907A (en)
CH (1) CH569327A5 (en)
DK (1) DK135558B (en)
ES (1) ES418390A1 (en)
FR (1) FR2198203B1 (en)
GB (1) GB1441175A (en)
IT (1) IT990420B (en)
NO (1) NO141671C (en)
PL (1) PL86219B1 (en)
SE (1) SE394154B (en)
YU (1) YU39711B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
FR2280150B1 (en) * 1974-07-26 1977-01-07 Thomson Brandt DEVICE FOR DETECTION OF FOCUS DEVIATION OF AN OPTICAL READING HEAD FROM A READING SURFACE
JPS5922289B2 (en) * 1975-11-20 1984-05-25 ソニー株式会社 How to get started
JPS5916331B2 (en) * 1975-11-27 1984-04-14 パイオニア株式会社 Kougakushishingouyomitrisouchi
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
FR2470391A1 (en) * 1979-11-21 1981-05-29 Thomson Csf STIGMATIC COHERENT RADIATION EMISSION-RECEPTION OPTICAL DEVICE AND RECORDING-READING OPTICAL HEAD COMPRISING SUCH A DEVICE
NL8004892A (en) * 1980-08-29 1982-04-01 Philips Nv APPARATUS FOR PROCESSING OPTICAL INFORMATION AND METHOD FOR MANUFACTURING A COMA CORRECTION PLATE AS APPLIED IN SUCH AN APPARATUS
JPS5997713U (en) * 1982-12-20 1984-07-02 市川毛織株式会社 skimmer
JPS6234127A (en) * 1985-08-08 1987-02-14 Konishiroku Photo Ind Co Ltd Optical modulation system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
JPS5443710B2 (en) * 1972-03-15 1979-12-21

Also Published As

Publication number Publication date
DK135558B (en) 1977-05-16
YU231773A (en) 1982-06-30
YU39711B (en) 1985-04-30
ES418390A1 (en) 1976-03-16
JPS4965726A (en) 1974-06-26
DE2341824B2 (en) 1976-10-14
JPS5330453B2 (en) 1978-08-26
AT328002B (en) 1976-02-25
CH569327A5 (en) 1975-11-14
NO141671C (en) 1980-04-16
ATA756073A (en) 1975-05-15
AR198680A1 (en) 1974-07-15
DK135558C (en) 1977-10-24
NO141671B (en) 1980-01-07
DE2341824A1 (en) 1974-03-14
FR2198203A1 (en) 1974-03-29
FR2198203B1 (en) 1979-08-03
GB1441175A (en) 1976-06-30
IT990420B (en) 1975-06-20
PL86219B1 (en) 1976-05-31
SE394154B (en) 1977-06-06
BE804328A (en) 1974-02-28
AU5978073A (en) 1975-03-06

Similar Documents

Publication Publication Date Title
CA1033834A (en) Data record tracking using track identifying information in the gaps between recorded data groups
CA1003961A (en) Apparatus for reading a disc-shaped record carrier containing signals coded in optical form
CA987029A (en) Apparatus for reading a flat record carrier
NL177168C (en) METHOD FOR RECORDING A VIDEO SIGNAL AND RECORD CARRIER WITH VIDEO INFORMATION RECORDED ACCORDING TO THE METHOD AND AN APPARATUS FOR READING A RECORD CARRIER.
YU35404B (en) Apparatus for reading a flat record carrier
CA997603A (en) Reproducing device for the optical reading out of a record carrying an embossed print
CA1029130A (en) Record carrier on which information is recorded in an optical structure
CA1028059A (en) Device for reading out information recorded upon a substrate
CA1033459A (en) Apparatus for reading a record carrier on which information is stored in an optically readable structure
CA994909A (en) Apparatus for reading a disc-shaped record carrier
ZA75859B (en) Device for writing and/or reproducing information in respectively from a rotating disk-shaped record carrier
CA1002458A (en) Reproducing apparatus for a disc type record medium
ZA744644B (en) Apparatus for reproducing a video signal recorded on a record carrier
CA1005907A (en) Apparatus for reading a record carrier on which information is recorded in at least one track
CA960629A (en) Apparatus for recording and/or playing back magnetic recordings on and/or from a record carrier
CA1006265A (en) Apparatus for reading a rotating disc-shaped record carrier
ZA744185B (en) Record carrier on which information is recorded in an optical structure
CA919208A (en) Apparatus for recording and/or playing back magnetic recordings on or from a flexible, in particular tape-shaped, record carrier
CA956028A (en) Apparatus for reproducing information recorded on a magnetic recording sheet
ZA734634B (en) Apparatus for reading a record carrier on which information is recorded in at least one track
CA1022676A (en) Apparatus for reading a record carrier in which information, for example, video and/or audio information, is recorded in at least one track
AU485226B2 (en) Apparatus for reading a record carrier on which information is recorded inat least one track
AU479798B2 (en) Apparatus for reading a record carrier in which information, for example, video and/or audio information, is recorded in at least one track
AU486009B2 (en) Apparatus for reading a disc-shaped record carrier
AU492965B2 (en) Apparatus for reading a rotating disc-shaped record carrier